Buy your friend a drink or staple some cash to the wall for the next guy at the Salty Dawg Saloon.

Considered by many to be one of the most dangerous highways in Alaska.

An unnatural lake in a naturally beautiful setting.

This former sugarcane transport tunnel is now a portal to a lovely beach.

La Cara del Indio honors the Taíno chief who fought bravely against the Spanish invasion of Puerto Rico.

A peculiar mansion built by the troubled heir to the Winchester Rifle Company fortune.

The largest wildlife crossing in Utah allows local fauna to safely traverse the six-lane Interstate 80 at Parleys Canyon.

This Arizona observatory is famous for investigations into Martian life, and as the place humans first spotted Pluto.

The first of the iconic American roadside attractions lives on as a college mascot.

The highest point in Arizona is an oddly snow-topped peak within the otherwise arid state.

The world's only teal arches exist in a city that cares more about its aesthetic than an Instagram influencer.

A towering bronze statue memorializes the founding father of postwar American conservatism.

A mysterious "wedding cake" castle in the middle of the urban desert.

The unusual burial monument of Arizona's first governor.

A self-built castle made by a mysterious man.

The first permanent memorial to a unique secret weapon of World War II.

Each year, teams of the world's best snow sculptors have 65 hours to create frozen masterpieces.

Take a dip in the world's largest mineral hot springs pool.

Even in death, he's still your huckleberry.

A coal fire has been burning underground here since 1896.

You might want to bring a rain jacket to this travertine triple waterfall.

Home to the "Circus" trees created by Axel Erlandson.

A public library display of fossils from the ice age.

Here, cows that make vodka are treated like celebrities.